Surf Forecasts:
How big are the waves at North Jetty at Eureka today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3ft (0.9m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3ft (0.9m), 11s period with WNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 11s period with WNW swell.
The current surf forecast for North Jetty at Eureka at 2AM is: 0.9m 12s primary swell from a West-northwest direction and 1.2m 6s secondary swell from a North-northwest direction (forecast issued at 10:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3ft (0.9m) | 12s |
| Afternoon (20 Aug) | 3ft (0.9m) | 11s |
| Evening (20 Aug) | 3ft (0.9m) | 11s |
Table - waves today at North Jetty at Eureka. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | NNW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NNW 8 | NNW 8 | NNW 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 229 | 237 | 242 | 237 | 237 | 221 | 210 | 206 | 167 | 167 | 164 | 164 | 128 | 117 | 115 | 85 | 82 | 91 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | glassy | cross-on | on | cross-on | cross-on | cross | glassy | glassy | glassy | on | on | on | glassy | off |
High Tide | 5:08PM1.78m | 7:17AM1.08m | 5:59PM1.72m | 8:50AM1.10m | 7:01PM1.69m | |||||||||||||
Low Tide | 00:44AM0.31m | 11:43AM1.01m | 1:52AM0.27m | 12:49PM1.12m | ||||||||||||||
 |  | | | | | |  | | | | | | | | | | | |
 | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 8:08 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 13 |
Feels °C | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 12 |
Swell 1 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 6 | NW 6 | WNW 12 | NW 6 | NW 6 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NNW 7 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 211 | 175 | 113 | 88 | 237 | 73 | 56 | 206 | 167 | 167 | 164 | 164 | 128 | 117 | 70 | 72 | 74 | 91 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 12 | WNW 12 | WNW 12 | NW 6 | WNW 11 | WNW 11 | NW 6 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 7 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 229 | 237 | 242 | 237 | 40 | 221 | 210 | 58 | 67 | 61 | 61 | 59 | 47 | 49 | 115 | 85 | 82 | 80 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 275 | 275 | 279 | 275 | 272 | 183 | 175 | 173 | 175 | 178 | 180 | 180 | 180 | 178 | 163 | 101 | 98 | 98 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 111 | 85 | 72 | 4 | 0 | 0 | 17 | 111 | 111 | 111 | 72 | 17 | 17 | 17 | 0 | 111 | 111 | 111 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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